Subtract 70/80 from 28/8
1st number: 3 4/8, 2nd number: 70/80
28/8 - 70/80 is 21/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 8 × 10 = 80,
28/8 = 28 × 10/8 × 10 = 280/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
70/80 = 70 × 1/80 × 1 = 70/80 - Subtract the two like fractions:
280/80 - 70/80 = 280 - 70/80 = 210/80 - After reducing the fraction, the answer is 21/8
- In mixed form: 25/8
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